72640904 is an even 8-digits composite number following 72640903
and preceding 72640905 . In scientific notation, it is written as 7.2640904 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 31065984 positive integers (up to 72640904) that are relatively prime to 72640904.
72640904 has 32 divisors, whose sum is 155988480
The reverse of 72640904 is 40904627
Previous prime number is 607
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million six hundred forty thousand nine hundred four
Scientific notation
7.2640904 × 10^7
Engineering notation
7.2640904 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 607 × 2137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18160226
Product of the distinct prime numbers
The prime factorization of 72640904 is 2 × 2 × 2 × 7 × 607 × 2137.
Since it has a total of 6 prime factors.
7 , 2 , 72 , 34 , 172 , 538 , 9057 , 345 , 30984 , 66730 , 359794 , 877070 , 2295455 , 9703221 , 79028188 , 88858266 , 600605698 , 452870688 , 1176520706 , 6159240600
n×2
145281808
n×3
217922712
n×4
290563616
n×5
363204520
n÷2
36320452
n÷3
24213634.666667
n÷3
18160226
n÷5
14528180.8
n2
5276700933937216
n3
3.8330432597884E+23
n4
2.7843572746214E+31
n5
2.0225822948747E+39
2 √n
8522.9633344278
3 √n
417.24750339042
4 √n
92.31989674186
5 √n
37.345325411322
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 607 , 1214 , 2137 , 2428 , 4249 , 4274 , 4856 , 8498 , 8548 , 14959 , 16996 , 17096 , 29918 , 33992 , 59836 , 119672 , 1297159 , 2594318 , 5188636 , 9080113 , 10377272 , 18160226 , 36320452 , 72640904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72640903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72640904 can be divided by 32 positive divisors.
The sum of these divisors (counting 72640904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010101000110100110001000
3
Ternary
12001200112120212
4
Quaternary
10111012212020
5
Quinary
122044002104
6
Senary
11112540252
8
Octal
425064610
10
Decimal
72640904
12
Duodecimal
203b1688
16
Hexadecimal
4546988
20
Vigesimal
12e0254
36
Base36
178y2w
md5
6f705d71e53772c7eaadecf222713fc8
sha1
7ac37c38ffe5736268f63eb93926c75e4321e69a
sha256
d8a3e4e180c472608b45e86eb3bb9afe6965d52f6d5904d861bca22edd412fec
sha512
a8c749bdc0d1c6a000e4e19d9e9a83dfbb6e0075798908baa5145cab80332a3540e104a6063007ac03d30a21452f0af4e691017836a9e553232410086916c7b5
ripemd-160
d4d4fda3e4754b1c4bf0668408625b92fc71483c
Diameter
145281808
Circumference
456416260.71304
Area
1.6577244889248E+16
Volume
1.6055814061124E+24
Surface area
6.630897955699E+16
Circumference
456416260.71304
Perimeter
290563616
Area
5276700933937216
Diagonal
102729751.61984
Surface area
31660205603623296
Volume
3.8330432597884E+23
Space diagonal
125817736.43573
Perimeter
217922712
Area
2.2848785284814E+15
Altitude
62908868.217867
Surface area
2.2848785284814E+15
Volume
4.5172848026297E+22
Height
34243250.539947